LOUDOUN COUNTY, Va. (WUSA9) -- According to an official,Loudoun County Fire Rescue responded to the scene of a reported hazardous materials incident at the Lovettsville Elementary School on Friday morning.

The official says at approximately8:56a.m. Friday,a call was received for a potential hazardous materials incident after a package containing a powdery substance was opened at the school.

The school was evacuated, says the official, and no injurieswere reported.

Fire-rescue crews determined the package was harmless. Crews are leaving the scene.